1//===-- main.c --------------------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9#include <stdio.h>
10#include <dlfcn.h>
11#include <limits.h>
12#include <string.h>
13#include <unistd.h>
14#include <libgen.h>
15#include <stdlib.h>
16
17int
18main (int argc, char const *argv[])
19{
20    const char *a_name = "@executable_path/liba.dylib";
21    const char *c_name = "@executable_path/libc.dylib";
22    void *a_dylib_handle = NULL;
23    void *c_dylib_handle = NULL;
24    int (*a_function) (void);
25
26    a_dylib_handle = dlopen (a_name, RTLD_NOW); // Set break point at this line for test_lldb_process_load_and_unload_commands().
27    if (a_dylib_handle == NULL)
28    {
29        fprintf (stderr, "%s\n", dlerror());
30        exit (1);
31    }
32
33    a_function = (int (*) ()) dlsym (a_dylib_handle, "a_function");
34    if (a_function == NULL)
35    {
36        fprintf (stderr, "%s\n", dlerror());
37        exit (2);
38    }
39    printf ("First time around, got: %d\n", a_function ());
40    dlclose (a_dylib_handle);
41
42    c_dylib_handle = dlopen (c_name, RTLD_NOW);
43    if (c_dylib_handle == NULL)
44    {
45        fprintf (stderr, "%s\n", dlerror());
46        exit (3);
47    }
48    a_function = (int (*) ()) dlsym (c_dylib_handle, "c_function");
49    if (a_function == NULL)
50    {
51        fprintf (stderr, "%s\n", dlerror());
52        exit (4);
53    }
54
55    a_dylib_handle = dlopen (a_name, RTLD_NOW);
56    if (a_dylib_handle == NULL)
57    {
58        fprintf (stderr, "%s\n", dlerror());
59        exit (5);
60    }
61
62    a_function = (int (*) ()) dlsym (a_dylib_handle, "a_function");
63    if (a_function == NULL)
64    {
65        fprintf (stderr, "%s\n", dlerror());
66        exit (6);
67    }
68    printf ("Second time around, got: %d\n", a_function ());
69    dlclose (a_dylib_handle);
70
71    int d_function(void);
72    printf ("d_function returns: %d\n", d_function());
73
74    return 0;
75}
76